<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
  <form action="/ServletProject/mySevrlet" method="post">
       <input type="hidden" name="sign" value="dog">
       <input type="text" name="name"><br>
       <input type="text" name="age"><br>
       <input type="submit" value="Submit">
    </form>
</body>
</html>